import React, { Component } from 'react'

// import Demo from './components/组件的生命周期/1_引出生命周期';
// import Demo from './components/组件的生命周期/2_react生命周期(旧)';
import Demo from './components/组件的生命周期/3_react生命周期(新).js';

export default class App extends Component {
    render() {
        return (
            <div>
                <Demo />
            </div>
        )
    }
}
